Equity Method Investments - Schedule of Gains (Losses) of Joint Venture Arrangements (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Related Party Transaction [Line Items]
Income	$ 2,256	$ 2,159	$ 4,481	$ 4,286
Expenses	1,762	1,723	3,529	3,486
EMEA 1 Joint Venture | Joint Venture
Related Party Transaction [Line Items]
Income	6	6	12	12
Expenses	4	3	$ 8	7
EMEA 1 Joint Venture | Joint Venture | Sublease, Equinix's London 10-2 Data Center
Related Party Transaction [Line Items]
Sublease, lease term			14 years
VIE Joint Ventures | Joint Venture
Related Party Transaction [Line Items]
Income	29	61	$ 90	99
Expenses	3	0	5	1
Interest income earned	$ 7	$ 5	$ 14	$ 5